Soldiers of 221st Signal Group of the United States Army clear road side bushes near their headquarters in Long Binh Vietnam.

The headquarters of the 221st Signal Group of the United States Army at Long Binh, Vietnam. Soldiers of the 221st Signal Group clear bush near a road. Soldiers with shovels and axe can be seen. Vehicles of the United States Army running on the roads. Soldiers cut down bushes and clear the ground. Buildings and factories in rear can be seen.